scsi: drop reason argument from ->change_queue_depth
Drop the now unused reason argument from the ->change_queue_depth method.
Also add a return value to scsi_adjust_queue_depth, and rename it to
scsi_change_queue_depth now that it can be used as the default
->change_queue_depth implementation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 1cf3703..cd4129f 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -189,17 +189,6 @@
return len;
} /* End twa_show_stats() */
-/* This function will set a devices queue depth */
-static int twa_change_queue_depth(struct scsi_device *sdev, int queue_depth,
- int reason)
-{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
- scsi_adjust_queue_depth(sdev, queue_depth);
- return queue_depth;
-} /* End twa_change_queue_depth() */
-
/* Create sysfs 'stats' entry */
static struct device_attribute twa_host_stats_attr = {
.attr = {
@@ -2014,7 +2003,7 @@
.queuecommand = twa_scsi_queue,
.eh_host_reset_handler = twa_scsi_eh_reset,
.bios_param = twa_scsi_biosparam,
- .change_queue_depth = twa_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.can_queue = TW_Q_LENGTH-2,
.slave_configure = twa_slave_configure,
.this_id = -1,
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index 547756b..2361772 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -191,17 +191,6 @@
return len;
} /* End twl_show_stats() */
-/* This function will set a devices queue depth */
-static int twl_change_queue_depth(struct scsi_device *sdev, int queue_depth,
- int reason)
-{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
- scsi_adjust_queue_depth(sdev, queue_depth);
- return queue_depth;
-} /* End twl_change_queue_depth() */
-
/* stats sysfs attribute initializer */
static struct device_attribute twl_host_stats_attr = {
.attr = {
@@ -1588,7 +1577,7 @@
.queuecommand = twl_scsi_queue,
.eh_host_reset_handler = twl_scsi_eh_reset,
.bios_param = twl_scsi_biosparam,
- .change_queue_depth = twl_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.can_queue = TW_Q_LENGTH-2,
.slave_configure = twl_slave_configure,
.this_id = -1,
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 261a4c1..c75f204 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -523,17 +523,6 @@
return len;
} /* End tw_show_stats() */
-/* This function will set a devices queue depth */
-static int tw_change_queue_depth(struct scsi_device *sdev, int queue_depth,
- int reason)
-{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
- scsi_adjust_queue_depth(sdev, queue_depth);
- return queue_depth;
-} /* End tw_change_queue_depth() */
-
/* Create sysfs 'stats' entry */
static struct device_attribute tw_host_stats_attr = {
.attr = {
@@ -2268,7 +2257,7 @@
.queuecommand = tw_scsi_queue,
.eh_host_reset_handler = tw_scsi_eh_reset,
.bios_param = tw_scsi_biosparam,
- .change_queue_depth = tw_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.can_queue = TW_Q_LENGTH-2,
.slave_configure = tw_slave_configure,
.this_id = -1,
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index d7557b9..aa915da 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -175,7 +175,7 @@
STATIC int NCR_700_slave_alloc(struct scsi_device *SDpnt);
STATIC int NCR_700_slave_configure(struct scsi_device *SDpnt);
STATIC void NCR_700_slave_destroy(struct scsi_device *SDpnt);
-static int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth, int reason);
+static int NCR_700_change_queue_depth(struct scsi_device *SDpnt, int depth);
static int NCR_700_change_queue_type(struct scsi_device *SDpnt, int depth);
STATIC struct device_attribute *NCR_700_dev_attrs[];
@@ -904,7 +904,7 @@
hostdata->tag_negotiated &= ~(1<<scmd_id(SCp));
SCp->device->tagged_supported = 0;
- scsi_adjust_queue_depth(SCp->device, host->cmd_per_lun);
+ scsi_change_queue_depth(SCp->device, host->cmd_per_lun);
scsi_set_tag_type(SCp->device, 0);
} else {
shost_printk(KERN_WARNING, host,
@@ -2052,7 +2052,7 @@
/* to do here: allocate memory; build a queue_full list */
if(SDp->tagged_supported) {
- scsi_adjust_queue_depth(SDp, NCR_700_DEFAULT_TAGS);
+ scsi_change_queue_depth(SDp, NCR_700_DEFAULT_TAGS);
NCR_700_set_tag_neg_state(SDp, NCR_700_START_TAG_NEGOTIATION);
}
@@ -2075,16 +2075,11 @@
}
static int
-NCR_700_change_queue_depth(struct scsi_device *SDp, int depth, int reason)
+NCR_700_change_queue_depth(struct scsi_device *SDp, int depth)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
if (depth > NCR_700_MAX_TAGS)
depth = NCR_700_MAX_TAGS;
-
- scsi_adjust_queue_depth(SDp, depth);
- return depth;
+ return scsi_change_queue_depth(SDp, depth);
}
static int NCR_700_change_queue_type(struct scsi_device *SDp, int tag_type)
@@ -2105,12 +2100,12 @@
if (!tag_type) {
/* shift back to the default unqueued number of commands
* (the user can still raise this) */
- scsi_adjust_queue_depth(SDp, SDp->host->cmd_per_lun);
+ scsi_change_queue_depth(SDp, SDp->host->cmd_per_lun);
hostdata->tag_negotiated &= ~(1 << sdev_id(SDp));
} else {
/* Here, we cleared the negotiation flag above, so this
* will force the driver to renegotiate */
- scsi_adjust_queue_depth(SDp, SDp->queue_depth);
+ scsi_change_queue_depth(SDp, SDp->queue_depth);
if (change_tag)
NCR_700_set_tag_neg_state(SDp, NCR_700_START_TAG_NEGOTIATION);
}
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 5aa476b..8d66a64 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -2327,12 +2327,12 @@
if (qdepth == 0)
qdepth = BLOGIC_MAX_AUTO_TAG_DEPTH;
adapter->qdepth[tgt_id] = qdepth;
- scsi_adjust_queue_depth(dev, qdepth);
+ scsi_change_queue_depth(dev, qdepth);
} else {
adapter->tagq_ok &= ~(1 << tgt_id);
qdepth = adapter->untag_qdepth;
adapter->qdepth[tgt_id] = qdepth;
- scsi_adjust_queue_depth(dev, qdepth);
+ scsi_change_queue_depth(dev, qdepth);
}
qdepth = 0;
for (tgt_id = 0; tgt_id < adapter->maxdev; tgt_id++)
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 41b9c68..d11c23a 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -462,9 +462,9 @@
depth = 256;
else if (depth < 2)
depth = 2;
- scsi_adjust_queue_depth(sdev, depth);
+ scsi_change_queue_depth(sdev, depth);
} else
- scsi_adjust_queue_depth(sdev, 1);
+ scsi_change_queue_depth(sdev, 1);
return 0;
}
@@ -478,12 +478,8 @@
* total capacity and the queue depth supported by the target device.
*/
-static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
- int reason)
+static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
(sdev_channel(sdev) == CONTAINER_CHANNEL)) {
struct scsi_device * dev;
@@ -504,10 +500,10 @@
depth = 256;
else if (depth < 2)
depth = 2;
- scsi_adjust_queue_depth(sdev, depth);
- } else
- scsi_adjust_queue_depth(sdev, 1);
- return sdev->queue_depth;
+ return scsi_change_queue_depth(sdev, depth);
+ }
+
+ return scsi_change_queue_depth(sdev, 1);
}
static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index ae4840e..6719a33 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -7706,7 +7706,7 @@
asc_dvc->cfg->can_tagged_qng |= tid_bit;
asc_dvc->use_tagged_qng |= tid_bit;
}
- scsi_adjust_queue_depth(sdev,
+ scsi_change_queue_depth(sdev,
asc_dvc->max_dvc_qng[sdev->id]);
}
} else {
@@ -7847,10 +7847,8 @@
}
}
- if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported) {
- scsi_adjust_queue_depth(sdev,
- adv_dvc->max_dvc_qng);
- }
+ if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported)
+ scsi_change_queue_depth(sdev, adv_dvc->max_dvc_qng);
}
/*
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 80cb4fd..d5c7b19 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -1470,7 +1470,7 @@
switch ((dev->flags & (AHD_DEV_Q_BASIC|AHD_DEV_Q_TAGGED))) {
case AHD_DEV_Q_BASIC:
case AHD_DEV_Q_TAGGED:
- scsi_adjust_queue_depth(sdev,
+ scsi_change_queue_depth(sdev,
dev->openings + dev->active);
break;
default:
@@ -1480,7 +1480,7 @@
* serially on the controller/device. This should
* remove some latency.
*/
- scsi_adjust_queue_depth(sdev, 1);
+ scsi_change_queue_depth(sdev, 1);
break;
}
}
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index a6a27d5..8836011 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -1336,7 +1336,7 @@
switch ((dev->flags & (AHC_DEV_Q_BASIC|AHC_DEV_Q_TAGGED))) {
case AHC_DEV_Q_BASIC:
case AHC_DEV_Q_TAGGED:
- scsi_adjust_queue_depth(sdev,
+ scsi_change_queue_depth(sdev,
dev->openings + dev->active);
default:
/*
@@ -1345,7 +1345,7 @@
* serially on the controller/device. This should
* remove some latency.
*/
- scsi_adjust_queue_depth(sdev, 2);
+ scsi_change_queue_depth(sdev, 2);
break;
}
}
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 209f771..914c39f 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -114,16 +114,11 @@
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
static void arcmsr_free_irq(struct pci_dev *, struct AdapterControlBlock *);
-static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
- int queue_depth, int reason)
+static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
queue_depth = ARCMSR_MAX_CMD_PERLUN;
- scsi_adjust_queue_depth(sdev, queue_depth);
- return queue_depth;
+ return scsi_change_queue_depth(sdev, queue_depth);
}
static struct scsi_host_template arcmsr_scsi_host_template = {
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index d9b999a..f319340 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -556,7 +556,7 @@
.name = "Emulex 10Gbe open-iscsi Initiator Driver",
.proc_name = DRV_NAME,
.queuecommand = iscsi_queuecommand,
- .change_queue_depth = iscsi_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.slave_configure = beiscsi_slave_configure,
.target_alloc = iscsi_target_alloc,
.eh_abort_handler = beiscsi_eh_abort,
diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index 87b09cd2..7223b00 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -776,7 +776,7 @@
static int
bfad_im_slave_configure(struct scsi_device *sdev)
{
- scsi_adjust_queue_depth(sdev, bfa_lun_queue_depth);
+ scsi_change_queue_depth(sdev, bfa_lun_queue_depth);
return 0;
}
@@ -866,7 +866,7 @@
if (bfa_lun_queue_depth > tmp_sdev->queue_depth) {
if (tmp_sdev->id != sdev->id)
continue;
- scsi_adjust_queue_depth(tmp_sdev,
+ scsi_change_queue_depth(tmp_sdev,
tmp_sdev->queue_depth + 1);
itnim->last_ramp_up_time = jiffies;
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index cc53797..386c2cf 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -2784,7 +2784,7 @@
.eh_target_reset_handler = bnx2fc_eh_target_reset, /* tgt reset */
.eh_host_reset_handler = fc_eh_host_reset,
.slave_alloc = fc_slave_alloc,
- .change_queue_depth = fc_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.change_queue_type = scsi_change_queue_type,
.this_id = -1,
.cmd_per_lun = 3,
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index 9de1c20..e53078d 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -2259,7 +2259,7 @@
.eh_abort_handler = iscsi_eh_abort,
.eh_device_reset_handler = iscsi_eh_device_reset,
.eh_target_reset_handler = iscsi_eh_recover_target,
- .change_queue_depth = iscsi_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.target_alloc = iscsi_target_alloc,
.can_queue = 2048,
.max_sectors = 127,
diff --git a/drivers/scsi/csiostor/csio_scsi.c b/drivers/scsi/csiostor/csio_scsi.c
index 44a8cc5..4d0b6ce 100644
--- a/drivers/scsi/csiostor/csio_scsi.c
+++ b/drivers/scsi/csiostor/csio_scsi.c
@@ -2241,7 +2241,7 @@
static int
csio_slave_configure(struct scsi_device *sdev)
{
- scsi_adjust_queue_depth(sdev, csio_lun_qdepth);
+ scsi_change_queue_depth(sdev, csio_lun_qdepth);
return 0;
}
diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
index 99ea67d..3db4c63 100644
--- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
+++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c
@@ -86,7 +86,7 @@
.proc_name = DRV_MODULE_NAME,
.can_queue = CXGB3I_SCSI_HOST_QDEPTH,
.queuecommand = iscsi_queuecommand,
- .change_queue_depth = iscsi_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.sg_tablesize = SG_ALL,
.max_sectors = 0xFFFF,
.cmd_per_lun = ISCSI_DEF_CMD_PER_LUN,
diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index af86e8f..efe42ef 100644
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -89,7 +89,7 @@
.proc_name = DRV_MODULE_NAME,
.can_queue = CXGB4I_SCSI_HOST_QDEPTH,
.queuecommand = iscsi_queuecommand,
- .change_queue_depth = iscsi_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.sg_tablesize = SG_ALL,
.max_sectors = 0xFFFF,
.cmd_per_lun = ISCSI_DEF_CMD_PER_LUN,
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 1af8d54..0bf9769 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -415,7 +415,7 @@
pHba = (adpt_hba *) host->hostdata[0];
if (host->can_queue && device->tagged_supported) {
- scsi_adjust_queue_depth(device,
+ scsi_change_queue_depth(device,
host->can_queue - 1);
}
return 0;
diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index bc0f918..227dd2c 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -952,12 +952,12 @@
} else {
tag_suffix = ", no tags";
}
- scsi_adjust_queue_depth(dev, tqd);
+ scsi_change_queue_depth(dev, tqd);
} else if (TLDEV(dev->type) && linked_comm) {
- scsi_adjust_queue_depth(dev, tqd);
+ scsi_change_queue_depth(dev, tqd);
tag_suffix = ", untagged";
} else {
- scsi_adjust_queue_depth(dev, utqd);
+ scsi_change_queue_depth(dev, utqd);
tag_suffix = "";
}
diff --git a/drivers/scsi/esas2r/esas2r.h b/drivers/scsi/esas2r/esas2r.h
index 1941d83..b6030e3 100644
--- a/drivers/scsi/esas2r/esas2r.h
+++ b/drivers/scsi/esas2r/esas2r.h
@@ -972,7 +972,6 @@
struct atto_ioctl *ioctl_hba);
int esas2r_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd);
int esas2r_show_info(struct seq_file *m, struct Scsi_Host *sh);
-int esas2r_change_queue_depth(struct scsi_device *dev, int depth, int reason);
long esas2r_proc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg);
/* SCSI error handler (eh) functions */
diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c
index 30fce64..593ff8a 100644
--- a/drivers/scsi/esas2r/esas2r_main.c
+++ b/drivers/scsi/esas2r/esas2r_main.c
@@ -254,7 +254,7 @@
.use_clustering = ENABLE_CLUSTERING,
.emulated = 0,
.proc_name = ESAS2R_DRVR_NAME,
- .change_queue_depth = esas2r_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.change_queue_type = scsi_change_queue_type,
.max_sectors = 0xFFFF,
.use_blk_tags = 1,
@@ -1257,15 +1257,6 @@
return esas2r_dev_targ_reset(cmd, true);
}
-int esas2r_change_queue_depth(struct scsi_device *dev, int depth, int reason)
-{
- esas2r_log(ESAS2R_LOG_INFO, "change_queue_depth %p, %d", dev, depth);
-
- scsi_adjust_queue_depth(dev, depth);
-
- return dev->queue_depth;
-}
-
void esas2r_log_request_failure(struct esas2r_adapter *a,
struct esas2r_request *rq)
{
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c
index 38c23e0..7e7687f 100644
--- a/drivers/scsi/esp_scsi.c
+++ b/drivers/scsi/esp_scsi.c
@@ -2407,7 +2407,7 @@
/* XXX make this configurable somehow XXX */
int goal_tags = min(ESP_DEFAULT_TAGS, ESP_MAX_TAG);
- scsi_adjust_queue_depth(dev, goal_tags);
+ scsi_change_queue_depth(dev, goal_tags);
}
tp->flags |= ESP_TGT_DISCONNECT;
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 9722986..308a016 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -280,7 +280,7 @@
.eh_device_reset_handler = fc_eh_device_reset,
.eh_host_reset_handler = fc_eh_host_reset,
.slave_alloc = fc_slave_alloc,
- .change_queue_depth = fc_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.change_queue_type = scsi_change_queue_type,
.this_id = -1,
.cmd_per_lun = 3,
diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index 86b496c..0c1f817 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -98,7 +98,7 @@
if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
- scsi_adjust_queue_depth(sdev, fnic_max_qdepth);
+ scsi_change_queue_depth(sdev, fnic_max_qdepth);
return 0;
}
@@ -110,7 +110,7 @@
.eh_device_reset_handler = fnic_device_reset,
.eh_host_reset_handler = fnic_host_reset,
.slave_alloc = fnic_slave_alloc,
- .change_queue_depth = fc_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.change_queue_type = scsi_change_queue_type,
.this_id = -1,
.cmd_per_lun = 3,
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 617f218..6bb4611 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -216,8 +216,6 @@
static void hpsa_scan_start(struct Scsi_Host *);
static int hpsa_scan_finished(struct Scsi_Host *sh,
unsigned long elapsed_time);
-static int hpsa_change_queue_depth(struct scsi_device *sdev,
- int qdepth, int reason);
static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd);
static int hpsa_eh_abort_handler(struct scsi_cmnd *scsicmd);
@@ -673,7 +671,7 @@
.queuecommand = hpsa_scsi_queue_command,
.scan_start = hpsa_scan_start,
.scan_finished = hpsa_scan_finished,
- .change_queue_depth = hpsa_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.this_id = -1,
.use_clustering = ENABLE_CLUSTERING,
.eh_abort_handler = hpsa_eh_abort_handler,
@@ -4074,18 +4072,6 @@
return finished;
}
-static int hpsa_change_queue_depth(struct scsi_device *sdev,
- int qdepth, int reason)
-{
- struct ctlr_info *h = sdev_to_hba(sdev);
-
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -ENOTSUPP;
-
- scsi_adjust_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
-}
-
static void hpsa_unregister_scsi(struct ctlr_info *h)
{
/* we are being forcibly unloaded, and may not refuse. */
diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index 1518931..e995218 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -1118,17 +1118,13 @@
}
static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev,
- int queue_depth, int reason)
+ int queue_depth)
{
struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata;
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
if (queue_depth > hba->max_requests)
queue_depth = hba->max_requests;
- scsi_adjust_queue_depth(sdev, queue_depth);
- return queue_depth;
+ return scsi_change_queue_depth(sdev, queue_depth);
}
static ssize_t hptiop_show_version(struct device *dev,
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 381449d..f58c6d8 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -2900,17 +2900,12 @@
* Return value:
* actual depth set
**/
-static int ibmvfc_change_queue_depth(struct scsi_device *sdev, int qdepth,
- int reason)
+static int ibmvfc_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
if (qdepth > IBMVFC_MAX_CMDS_PER_LUN)
qdepth = IBMVFC_MAX_CMDS_PER_LUN;
- scsi_adjust_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
+ return scsi_change_queue_depth(sdev, qdepth);
}
static ssize_t ibmvfc_show_host_partition_name(struct device *dev,
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index e8c3cdf..acea5d6 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -1941,17 +1941,11 @@
* Return value:
* actual depth set
**/
-static int ibmvscsi_change_queue_depth(struct scsi_device *sdev, int qdepth,
- int reason)
+static int ibmvscsi_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
if (qdepth > IBMVSCSI_MAX_CMDS_PER_LUN)
qdepth = IBMVSCSI_MAX_CMDS_PER_LUN;
-
- scsi_adjust_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
+ return scsi_change_queue_depth(sdev, qdepth);
}
/* ------------------------------------------------------------
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index d8d1662..5402943 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4328,16 +4328,12 @@
* Return value:
* actual depth set
**/
-static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth,
- int reason)
+static int ipr_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata;
struct ipr_resource_entry *res;
unsigned long lock_flags = 0;
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
res = (struct ipr_resource_entry *)sdev->hostdata;
@@ -4345,7 +4341,7 @@
qdepth = IPR_MAX_CMD_PER_ATA_LUN;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
- scsi_adjust_queue_depth(sdev, qdepth);
+ scsi_change_queue_depth(sdev, qdepth);
return sdev->queue_depth;
}
@@ -4752,7 +4748,7 @@
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
if (ap) {
- scsi_adjust_queue_depth(sdev, IPR_MAX_CMD_PER_ATA_LUN);
+ scsi_change_queue_depth(sdev, IPR_MAX_CMD_PER_ATA_LUN);
ata_sas_slave_configure(sdev, ap);
}
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 454741a..e5c2843 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -1210,7 +1210,7 @@
min = ha->max_cmds / 2;
if (ha->enq->ucLogDriveCount <= 2)
min = ha->max_cmds - 1;
- scsi_adjust_queue_depth(SDptr, min);
+ scsi_change_queue_depth(SDptr, min);
}
SDptr->skip_ms_page_8 = 1;
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index a575d84..0b8af18 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -952,7 +952,7 @@
.module = THIS_MODULE,
.name = "iSCSI Initiator over TCP/IP",
.queuecommand = iscsi_queuecommand,
- .change_queue_depth = iscsi_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.can_queue = ISCSI_DEF_XMIT_CMDS_MAX - 1,
.sg_tablesize = 4096,
.max_sectors = 0xFFFF,
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 0d2d024..c679594 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -2160,25 +2160,12 @@
if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
- scsi_adjust_queue_depth(sdev, FC_FCP_DFLT_QUEUE_DEPTH);
+ scsi_change_queue_depth(sdev, FC_FCP_DFLT_QUEUE_DEPTH);
return 0;
}
EXPORT_SYMBOL(fc_slave_alloc);
/**
- * fc_change_queue_depth() - Change a device's queue depth
- * @sdev: The SCSI device whose queue depth is to change
- * @qdepth: The new queue depth
- * @reason: The resason for the change
- */
-int fc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
-{
- scsi_adjust_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
-}
-EXPORT_SYMBOL(fc_change_queue_depth);
-
-/**
* fc_fcp_destory() - Tear down the FCP layer for a given local port
* @lport: The local port that no longer needs the FCP layer
*/
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 79e9774..8053f24 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1771,13 +1771,6 @@
}
EXPORT_SYMBOL_GPL(iscsi_queuecommand);
-int iscsi_change_queue_depth(struct scsi_device *sdev, int depth, int reason)
-{
- scsi_adjust_queue_depth(sdev, depth);
- return sdev->queue_depth;
-}
-EXPORT_SYMBOL_GPL(iscsi_change_queue_depth);
-
int iscsi_target_alloc(struct scsi_target *starget)
{
struct iscsi_cls_session *cls_session = starget_to_session(starget);
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 914e411..b492293 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -940,12 +940,12 @@
sas_read_port_mode_page(scsi_dev);
if (scsi_dev->tagged_supported) {
- scsi_adjust_queue_depth(scsi_dev, SAS_DEF_QD);
+ scsi_change_queue_depth(scsi_dev, SAS_DEF_QD);
} else {
SAS_DPRINTK("device %llx, LUN %llx doesn't support "
"TCQ\n", SAS_ADDR(dev->sas_addr),
scsi_dev->lun);
- scsi_adjust_queue_depth(scsi_dev, 1);
+ scsi_change_queue_depth(scsi_dev, 1);
}
scsi_dev->allow_restart = 1;
@@ -953,18 +953,16 @@
return 0;
}
-int sas_change_queue_depth(struct scsi_device *sdev, int depth, int reason)
+int sas_change_queue_depth(struct scsi_device *sdev, int depth)
{
struct domain_device *dev = sdev_to_domain_dev(sdev);
if (dev_is_sata(dev))
- return __ata_change_queue_depth(dev->sata_dev.ap, sdev, depth,
- reason);
+ return __ata_change_queue_depth(dev->sata_dev.ap, sdev, depth);
if (!sdev->tagged_supported)
depth = 1;
- scsi_adjust_queue_depth(sdev, depth);
- return depth;
+ return scsi_change_queue_depth(sdev, depth);
}
int sas_change_queue_type(struct scsi_device *scsi_dev, int type)
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 5228549..fd85952 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -243,23 +243,6 @@
}
/**
- * lpfc_change_queue_depth - Alter scsi device queue depth
- * @sdev: Pointer the scsi device on which to change the queue depth.
- * @qdepth: New queue depth to set the sdev to.
- * @reason: The reason for the queue depth change.
- *
- * This function is called by the midlayer and the LLD to alter the queue
- * depth for a scsi device. This function sets the queue depth to the new
- * value and sends an event out to log the queue depth change.
- **/
-static int
-lpfc_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
-{
- scsi_adjust_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
-}
-
-/**
* lpfc_rampdown_queue_depth - Post RAMP_DOWN_QUEUE event to worker thread
* @phba: The Hba for which this call is being executed.
*
@@ -344,8 +327,7 @@
else
new_queue_depth = sdev->queue_depth -
new_queue_depth;
- lpfc_change_queue_depth(sdev, new_queue_depth,
- SCSI_QDEPTH_DEFAULT);
+ scsi_change_queue_depth(sdev, new_queue_depth);
}
}
lpfc_destroy_vport_work_array(phba, vports);
@@ -5513,7 +5495,7 @@
struct lpfc_vport *vport = (struct lpfc_vport *) sdev->host->hostdata;
struct lpfc_hba *phba = vport->phba;
- scsi_adjust_queue_depth(sdev, vport->cfg_lun_queue_depth);
+ scsi_change_queue_depth(sdev, vport->cfg_lun_queue_depth);
if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
lpfc_sli_handle_fast_ring_event(phba,
@@ -5896,7 +5878,7 @@
.shost_attrs = lpfc_hba_attrs,
.max_sectors = 0xFFFF,
.vendor_id = LPFC_NL_VENDOR_ID,
- .change_queue_depth = lpfc_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.change_queue_type = scsi_change_queue_type,
.use_blk_tags = 1,
.track_queue_depth = 1,
@@ -5921,7 +5903,7 @@
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = lpfc_vport_attrs,
.max_sectors = 0xFFFF,
- .change_queue_depth = lpfc_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.change_queue_type = scsi_change_queue_type,
.use_blk_tags = 1,
.track_queue_depth = 1,
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index d56eb9d..f0987f2 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -332,25 +332,6 @@
NULL,
};
-/**
- * megaraid_change_queue_depth - Change the device's queue depth
- * @sdev: scsi device struct
- * @qdepth: depth to set
- * @reason: calling context
- *
- * Return value:
- * actual depth set
- */
-static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth,
- int reason)
-{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
- scsi_adjust_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
-}
-
/*
* Scsi host template for megaraid unified driver
*/
@@ -363,7 +344,7 @@
.eh_device_reset_handler = megaraid_reset_handler,
.eh_bus_reset_handler = megaraid_reset_handler,
.eh_host_reset_handler = megaraid_reset_handler,
- .change_queue_depth = megaraid_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.use_clustering = ENABLE_CLUSTERING,
.no_write_same = 1,
.sdev_attrs = megaraid_sdev_attrs,
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 69a9dd6..f05580e 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2591,17 +2591,6 @@
}
}
-static int megasas_change_queue_depth(struct scsi_device *sdev,
- int queue_depth, int reason)
-{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
- scsi_adjust_queue_depth(sdev, queue_depth);
-
- return queue_depth;
-}
-
static ssize_t
megasas_fw_crash_buffer_store(struct device *cdev,
struct device_attribute *attr, const char *buf, size_t count)
@@ -2766,7 +2755,7 @@
.shost_attrs = megaraid_host_attrs,
.bios_param = megasas_bios_param,
.use_clustering = ENABLE_CLUSTERING,
- .change_queue_depth = megasas_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.no_write_same = 1,
};
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index b006e1e..12229de 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1222,20 +1222,18 @@
max_depth = 1;
if (qdepth > max_depth)
qdepth = max_depth;
- scsi_adjust_queue_depth(sdev, qdepth);
+ scsi_change_queue_depth(sdev, qdepth);
}
/**
* _scsih_change_queue_depth - setting device queue depth
* @sdev: scsi device struct
* @qdepth: requested queue depth
- * @reason: SCSI_QDEPTH_DEFAULT
- * (see include/scsi/scsi_host.h for definition)
*
* Returns queue depth.
*/
static int
-_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
+_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
_scsih_adjust_queue_depth(sdev, qdepth);
@@ -2077,7 +2075,7 @@
r_level, raid_device->handle,
(unsigned long long)raid_device->wwid,
raid_device->num_pds, ds);
- _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
+ _scsih_change_queue_depth(sdev, qdepth);
/* raid transport support */
if (!ioc->is_warpdrive)
_scsih_set_level(sdev, raid_device->volume_type);
@@ -2142,7 +2140,7 @@
_scsih_display_sata_capabilities(ioc, handle, sdev);
- _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
+ _scsih_change_queue_depth(sdev, qdepth);
if (ssp_target) {
sas_read_port_mode_page(sdev);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 568dcae..de175b9 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -1090,20 +1090,18 @@
max_depth = 1;
if (qdepth > max_depth)
qdepth = max_depth;
- scsi_adjust_queue_depth(sdev, qdepth);
+ scsi_change_queue_depth(sdev, qdepth);
}
/**
* _scsih_change_queue_depth - setting device queue depth
* @sdev: scsi device struct
* @qdepth: requested queue depth
- * @reason: SCSI_QDEPTH_DEFAULT
- * (see include/scsi/scsi_host.h for definition)
*
* Returns queue depth.
*/
static int
-_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
+_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
_scsih_adjust_queue_depth(sdev, qdepth);
@@ -1734,7 +1732,7 @@
raid_device->num_pds, ds);
- _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
+ _scsih_change_queue_depth(sdev, qdepth);
/* raid transport support */
_scsih_set_level(sdev, raid_device->volume_type);
@@ -1800,7 +1798,7 @@
_scsih_display_sata_capabilities(ioc, handle, sdev);
- _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
+ _scsih_change_queue_depth(sdev, qdepth);
if (ssp_target) {
sas_read_port_mode_page(sdev);
diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index 9c331b7..5b93ed8 100644
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -7997,7 +7997,7 @@
if (depth_to_use > MAX_TAGS)
depth_to_use = MAX_TAGS;
- scsi_adjust_queue_depth(device, depth_to_use);
+ scsi_change_queue_depth(device, depth_to_use);
/*
** Since the queue depth is not tunable under Linux,
diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index d8b9ba2..b1b1f66 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -285,23 +285,15 @@
* pmcraid_change_queue_depth - Change the device's queue depth
* @scsi_dev: scsi device struct
* @depth: depth to set
- * @reason: calling context
*
* Return value
* actual depth set
*/
-static int pmcraid_change_queue_depth(struct scsi_device *scsi_dev, int depth,
- int reason)
+static int pmcraid_change_queue_depth(struct scsi_device *scsi_dev, int depth)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
if (depth > PMCRAID_MAX_CMD_PER_LUN)
depth = PMCRAID_MAX_CMD_PER_LUN;
-
- scsi_adjust_queue_depth(scsi_dev, depth);
-
- return scsi_dev->queue_depth;
+ return scsi_change_queue_depth(scsi_dev, depth);
}
/**
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index adedb6e..c68a66e 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -1224,9 +1224,9 @@
if (device->tagged_supported &&
(ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) {
- scsi_adjust_queue_depth(device, ha->bus_settings[bus].hiwat);
+ scsi_change_queue_depth(device, ha->bus_settings[bus].hiwat);
} else {
- scsi_adjust_queue_depth(device, default_depth);
+ scsi_change_queue_depth(device, default_depth);
}
nv->bus[bus].target[target].parameter.enable_sync = device->sdtr;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 20049b1..6b4d923 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -236,7 +236,6 @@
static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
-static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
static void qla2x00_clear_drv_active(struct qla_hw_data *);
static void qla2x00_free_device(scsi_qla_host_t *);
static void qla83xx_disable_laser(scsi_qla_host_t *vha);
@@ -258,7 +257,7 @@
.slave_destroy = qla2xxx_slave_destroy,
.scan_finished = qla2xxx_scan_finished,
.scan_start = qla2xxx_scan_start,
- .change_queue_depth = qla2x00_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.change_queue_type = scsi_change_queue_type,
.this_id = -1,
.cmd_per_lun = 3,
@@ -1406,7 +1405,7 @@
if (IS_T10_PI_CAPABLE(vha->hw))
blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
- scsi_adjust_queue_depth(sdev, req->max_q_depth);
+ scsi_change_queue_depth(sdev, req->max_q_depth);
return 0;
}
@@ -1416,13 +1415,6 @@
sdev->hostdata = NULL;
}
-static int
-qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
-{
- scsi_adjust_queue_depth(sdev, qdepth);
- return sdev->queue_depth;
-}
-
/**
* qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
* @ha: HA context
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 2bfde37..6d25879 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -201,7 +201,7 @@
.eh_timed_out = qla4xxx_eh_cmd_timed_out,
.slave_alloc = qla4xxx_slave_alloc,
- .change_queue_depth = iscsi_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.this_id = -1,
.cmd_per_lun = 3,
@@ -9059,7 +9059,7 @@
if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
queue_depth = ql4xmaxqdepth;
- scsi_adjust_queue_depth(sdev, queue_depth);
+ scsi_change_queue_depth(sdev, queue_depth);
return 0;
}
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 106fa2f..5ea15fc 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -742,30 +742,18 @@
}
/**
- * scsi_adjust_queue_depth - Let low level drivers change a device's queue depth
+ * scsi_change_queue_depth - change a device's queue depth
* @sdev: SCSI Device in question
- * @tags: Number of tags allowed if tagged queueing enabled,
- * or number of commands the low level driver can
- * queue up in non-tagged mode (as per cmd_per_lun).
+ * @depth: number of commands allowed to be queued to the driver
*
- * Returns: Nothing
- *
- * Lock Status: None held on entry
- *
- * Notes: Low level drivers may call this at any time and we will do
- * the right thing depending on whether or not the device is
- * currently active and whether or not it even has the
- * command blocks built yet.
+ * Sets the device queue depth and returns the new value.
*/
-void scsi_adjust_queue_depth(struct scsi_device *sdev, int tags)
+int scsi_change_queue_depth(struct scsi_device *sdev, int depth)
{
unsigned long flags;
- /*
- * refuse to set tagged depth to an unworkable size
- */
- if (tags <= 0)
- return;
+ if (depth <= 0)
+ goto out;
spin_lock_irqsave(sdev->request_queue->queue_lock, flags);
@@ -780,15 +768,17 @@
*/
if (!shost_use_blk_mq(sdev->host) && !sdev->host->bqt) {
if (blk_queue_tagged(sdev->request_queue) &&
- blk_queue_resize_tags(sdev->request_queue, tags) != 0)
- goto out;
+ blk_queue_resize_tags(sdev->request_queue, depth) != 0)
+ goto out_unlock;
}
- sdev->queue_depth = tags;
- out:
+ sdev->queue_depth = depth;
+out_unlock:
spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);
+out:
+ return sdev->queue_depth;
}
-EXPORT_SYMBOL(scsi_adjust_queue_depth);
+EXPORT_SYMBOL(scsi_change_queue_depth);
/**
* scsi_track_queue_full - track QUEUE_FULL events to adjust queue depth
@@ -833,12 +823,11 @@
if (sdev->last_queue_full_depth < 8) {
/* Drop back to untagged */
scsi_set_tag_type(sdev, 0);
- scsi_adjust_queue_depth(sdev, sdev->host->cmd_per_lun);
+ scsi_change_queue_depth(sdev, sdev->host->cmd_per_lun);
return -1;
}
- scsi_adjust_queue_depth(sdev, depth);
- return depth;
+ return scsi_change_queue_depth(sdev, depth);
}
EXPORT_SYMBOL(scsi_track_queue_full);
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 84cf82e..ce71b6d 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -4469,7 +4469,7 @@
}
static int
-sdebug_change_qdepth(struct scsi_device *sdev, int qdepth, int reason)
+sdebug_change_qdepth(struct scsi_device *sdev, int qdepth)
{
int num_in_q = 0;
unsigned long iflags;
@@ -4489,7 +4489,7 @@
/* allow to exceed max host queued_arr elements for testing */
if (qdepth > SCSI_DEBUG_CANQUEUE + 10)
qdepth = SCSI_DEBUG_CANQUEUE + 10;
- scsi_adjust_queue_depth(sdev, qdepth);
+ scsi_change_queue_depth(sdev, qdepth);
if (SCSI_DEBUG_OPT_Q_NOISE & scsi_debug_opts) {
sdev_printk(KERN_INFO, sdev,
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 2d0f515..1f63559 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -632,7 +632,7 @@
tmp_sdev->queue_depth == sdev->max_queue_depth)
continue;
- scsi_adjust_queue_depth(tmp_sdev, tmp_sdev->queue_depth + 1);
+ scsi_change_queue_depth(tmp_sdev, tmp_sdev->queue_depth + 1);
sdev->last_queue_ramp_up = jiffies;
}
}
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index d97597e..0af7133 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -292,7 +292,7 @@
blk_queue_init_tags(sdev->request_queue,
sdev->host->cmd_per_lun, shost->bqt);
}
- scsi_adjust_queue_depth(sdev, sdev->host->cmd_per_lun);
+ scsi_change_queue_depth(sdev, sdev->host->cmd_per_lun);
scsi_sysfs_device_initialize(sdev);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index bffd5ab..1cb64a8 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -880,8 +880,7 @@
if (depth < 1 || depth > sht->can_queue)
return -EINVAL;
- retval = sht->change_queue_depth(sdev, depth,
- SCSI_QDEPTH_DEFAULT);
+ retval = sht->change_queue_depth(sdev, depth);
if (retval < 0)
return retval;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index ff8befb..e3ba251 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1429,7 +1429,7 @@
static int storvsc_device_configure(struct scsi_device *sdevice)
{
- scsi_adjust_queue_depth(sdevice, STORVSC_MAX_IO_REQUESTS);
+ scsi_change_queue_depth(sdevice, STORVSC_MAX_IO_REQUESTS);
blk_queue_max_segment_size(sdevice->request_queue, PAGE_SIZE);
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 3557b38..5d00e51 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -820,7 +820,7 @@
if (reqtags > SYM_CONF_MAX_TAG)
reqtags = SYM_CONF_MAX_TAG;
depth_to_use = reqtags ? reqtags : 1;
- scsi_adjust_queue_depth(sdev, depth_to_use);
+ scsi_change_queue_depth(sdev, depth_to_use);
lp->s.scdev_depth = depth_to_use;
sym_tune_dev_queuing(tp, sdev->lun, reqtags);
diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c
index 844c9a0..6c3c2ce 100644
--- a/drivers/scsi/tmscsim.c
+++ b/drivers/scsi/tmscsim.c
@@ -2194,7 +2194,7 @@
if (sdev->tagged_supported && (dcb->DevMode & TAG_QUEUEING_)) {
dcb->SyncMode |= EN_TAG_QUEUEING;
- scsi_adjust_queue_depth(sdev, acb->TagMaxNum);
+ scsi_change_queue_depth(sdev, acb->TagMaxNum);
}
return 0;
diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c
index aa0f403..14eb50b 100644
--- a/drivers/scsi/u14-34f.c
+++ b/drivers/scsi/u14-34f.c
@@ -696,25 +696,25 @@
if (TLDEV(dev->type) && dev->tagged_supported)
if (tag_mode == TAG_SIMPLE) {
- scsi_adjust_queue_depth(dev, tqd);
+ scsi_change_queue_depth(dev, tqd);
tag_suffix = ", simple tags";
}
else if (tag_mode == TAG_ORDERED) {
- scsi_adjust_queue_depth(dev, tqd);
+ scsi_change_queue_depth(dev, tqd);
tag_suffix = ", ordered tags";
}
else {
- scsi_adjust_queue_depth(dev, tqd);
+ scsi_change_queue_depth(dev, tqd);
tag_suffix = ", no tags";
}
else if (TLDEV(dev->type) && linked_comm) {
- scsi_adjust_queue_depth(dev, tqd);
+ scsi_change_queue_depth(dev, tqd);
tag_suffix = ", untagged";
}
else {
- scsi_adjust_queue_depth(dev, utqd);
+ scsi_change_queue_depth(dev, utqd);
tag_suffix = "";
}
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index e96ab25..0c4f98e 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -2695,7 +2695,7 @@
dev_dbg(hba->dev, "%s: activate tcq with queue depth %d\n",
__func__, lun_qdepth);
- scsi_adjust_queue_depth(sdev, lun_qdepth);
+ scsi_change_queue_depth(sdev, lun_qdepth);
}
/*
@@ -2787,21 +2787,16 @@
* ufshcd_change_queue_depth - change queue depth
* @sdev: pointer to SCSI device
* @depth: required depth to set
- * @reason: reason for changing the depth
*
- * Change queue depth according to the reason and make sure
- * the max. limits are not crossed.
+ * Change queue depth and make sure the max. limits are not crossed.
*/
-static int ufshcd_change_queue_depth(struct scsi_device *sdev,
- int depth, int reason)
+static int ufshcd_change_queue_depth(struct scsi_device *sdev, int depth)
{
struct ufs_hba *hba = shost_priv(sdev->host);
if (depth > hba->nutrs)
depth = hba->nutrs;
-
- scsi_adjust_queue_depth(sdev, depth);
- return depth;
+ return scsi_change_queue_depth(sdev, depth);
}
/**
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 0f7e4c7..22e7012 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -682,17 +682,13 @@
* virtscsi_change_queue_depth() - Change a virtscsi target's queue depth
* @sdev: Virtscsi target whose queue depth to change
* @qdepth: New queue depth
- * @reason: Reason for the queue depth change.
*/
-static int virtscsi_change_queue_depth(struct scsi_device *sdev,
- int qdepth,
- int reason)
+static int virtscsi_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
struct Scsi_Host *shost = sdev->host;
int max_depth = shost->cmd_per_lun;
- scsi_adjust_queue_depth(sdev, min(max_depth, qdepth));
- return sdev->queue_depth;
+ return scsi_change_queue_depth(sdev, min(max_depth, qdepth));
}
static int virtscsi_abort(struct scsi_cmnd *sc)
diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c
index 03ad24b..ade1f1d 100644
--- a/drivers/scsi/vmw_pvscsi.c
+++ b/drivers/scsi/vmw_pvscsi.c
@@ -504,19 +504,11 @@
}
}
-static int pvscsi_change_queue_depth(struct scsi_device *sdev,
- int qdepth,
- int reason)
+static int pvscsi_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
- if (reason != SCSI_QDEPTH_DEFAULT)
- /*
- * We support only changing default.
- */
- return -EOPNOTSUPP;
-
if (!sdev->tagged_supported)
qdepth = 1;
- scsi_adjust_queue_depth(sdev, qdepth);
+ scsi_change_queue_depth(sdev, qdepth);
if (sdev->inquiry_len > 7)
sdev_printk(KERN_INFO, sdev,
diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c
index 3267423..f94d736 100644
--- a/drivers/scsi/wd7000.c
+++ b/drivers/scsi/wd7000.c
@@ -1653,7 +1653,6 @@
.can_queue = WD7000_Q,
.this_id = 7,
.sg_tablesize = WD7000_SG,
- .cmd_per_lun = 1,
.unchecked_isa_dma = 1,
.use_clustering = ENABLE_CLUSTERING,
};